新旧低合金结构钢标准牌号对照GB/T,1591-94
GB,1591-88Q295
09MnV,90MnNb,,09Mn2,,12MnQ345
12MnV,14MnNb,16Mn,16MnRE,18NbQ390
15MnV,15MnTi,16MnNbQ420
15MnVN,,14MnVTiREQ460
,高耐候结构钢新旧标准牌号对照表,,,,GB/T,4171-2000新牌号
,旧牌号Q295GNH
09CuP、09CuPRE、09CuPTiREQ295GNHL
09CuPCrNi-BQ345GNH
,Q345GNHL
,09CuPCrNi-A